# CVE-2023-1080: GN Publisher <= 1.5.5 - Reflected Cross-Site Scripting

> Unauthenticated attackers can inject arbitrary web scripts via the tab parameter, executing code in victim browsers if they click a crafted link.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 28 Feb 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-gmm4-c64x-vxp8

## What is CVE-2023-1080?

CVE-2023-1080 is a medium-severity cross-site scripting vulnerability in gnpublisher GN Publisher: Google News Compatible RSS Feeds, published on 28 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The GN Publisher plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘tab’ parameter in versions up to, and including, 1.5.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-1080?

It affects 1 product.


Products: Gnpublisher Gn Publisher.

## How do I fix CVE-2023-1080?

No fix has been published for CVE-2023-1080 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1080 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1080 exists.

Public exploit code:

- WordPress GN Publisher <1.5.6 - Cross-Site Scripting (nuclei): http/cves/2023/CVE-2023-1080.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1080 and fix it if it is affected.

What it is: CVE-2023-1080 is a medium-severity cross-site scripting vulnerability in gnpublisher GN Publisher: Google News Compatible RSS Feeds, published on 28 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1080 exists.

Affected product: gnpublisher GN Publisher: Google News Compatible RSS Feeds. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-1080/ (Markdown: https://insights.sbomify.com/CVE-2023-1080/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1080
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1080
- OSV: https://osv.dev/vulnerability/CVE-2023-1080

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1080/
Summaries are generated and may contain mistakes; the official description above is the record.